﻿#region Copyright(c) 2006 ZO, All right reserved.
// -----------------------------------------------------------------------------
// Copyright(c) 2006 ZO, All right reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
//   1.  Redistribution of source code must retain the above copyright notice,
//       this list of conditions and the following disclaimer.
//   2.  Redistribution in binary form must reproduce the above copyright
//       notice, this list of conditions and the following disclaimer in the
//       documentation and/or other materials provided with the distribution.
//   3.  The name of the author may not be used to endorse or promote products
//       derived from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
// WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
// EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
// OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
// WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
// OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
// -----------------------------------------------------------------------------
#endregion


#region Using directives

using System.Text;
using ZO.SmartCore.Standards.StringPrep.Properties;

#endregion

namespace ZO.SmartCore.Standards.StringPrep
{
    internal class DefaultBidirectionalTable : BidirectionalTable
    {

        #region Constructors
        /// <summary>
        /// Initializes a new instance of the <see cref="DefaultBidirectionalTable"/> class.
        /// </summary>
        public DefaultBidirectionalTable(char[][] prohibitedChars, char[][] rightleftChars, char[][] leftChars)
            : base()
        {
            this.prohibited = ProhibitedTable.Create(prohibitedChars);
            this.ral = new BidirectionalRAL(rightleftChars);
            this.lCat = ProhibitedTable.Create(leftChars);
        }
        #endregion

        #region Destructor

        #endregion

        #region Fields
        private ProhibitedTable prohibited;
        private BidirectionalRAL ral;
        private ProhibitedTable lCat;

        #endregion

        #region Events

        #endregion

        #region Operators

        #endregion

        #region Properties

        #endregion

        #region Methods
        /// <summary>
        /// Verifies the character sequence
        /// </summary>
        /// <param name="text">The character sequence to verify.</param>
        public override void Verify(StringBuilder text)
        {
            if ((text == null) || (text.Length == 0))
            {
                return;
            }

            prohibited.Verify(text);

            if (ral.Contains(text))
            {
                //If a string contains any RandALCat character, the string MUST NOT
                // contain any LCat character.
                if (lCat.Contains(text))
                {
                    throw new BidirectionalException(Resources.LAndRalFoundException);
                }

                ral.CheckEnds(text);
            }

        }
        #endregion
    }
}
